Home / 208,180,893,859.10-287,183,902,231.66-135,965,230,433.89

Finding the Fourth Proportional to 208,180,893,859.10, 287,183,902,231.66 and 135,965,230,433.89

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Solution

The fourth proportional to 208,180,893,859.10, 287,183,902,231.66 and 135,965,230,433.89 is: 187,562,963,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,180,893,859.10 : 287,183,902,231.66 = 135,965,230,433.89 : x
  2. Step 2: Convert to fraction form
    208,180,893,859.10/287,183,902,231.66 = 135,965,230,433.89/x
  3. Step 3: Cross multiply
    208,180,893,859.10x = 287,183,902,231.66 × 135,965,230,433.89
  4. Step 4: Simplify right side
    208,180,893,859.10x = 39,047,025,443,831,382,278,144
  5. Step 5: Solve for x
    x = 39,047,025,443,831,382,278,144/208,180,893,859.10
  6. Step 6: Final answer
    x = 187,562,963,728.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.